using CommunityToolkit.Mvvm.Messaging;
using Livia.Models;
using Livia.Models.Data;
using Livia.Utility;
using Livia.Utility.DependencyInjection;
using Livia.Views.Utility;
using Microsoft.Extensions.Logging;
using Moq;

namespace Livia.Tests.Models;

public class DataBlockLoaderTests
{
    private readonly DataBlockLoader _dataBlockLoader;

    private readonly Mock<IWarningSystem> _warningSystemMock = new();
    private readonly Mock<IPatientInfoManager> _patientInfoManagerMock = new();
    private readonly Mock<IServerHandler> _serverHandlerMock = new();
    private readonly Mock<IRoiLegendManager> _roiLegendManagerMock = new();

    public static IEnumerable<object[]> SharedDataTestInput => [["TestKey1", "TestValue1"], ["TestKey2", float.Pi], ["TestKey3", new LogoutMessage()]];

    public DataBlockLoaderTests(ILogger logger)
    {
        _dataBlockLoader = new DataBlockLoader(_warningSystemMock.Object, _patientInfoManagerMock.Object, logger, _serverHandlerMock.Object, _roiLegendManagerMock.Object);
        _serverHandlerMock.SetupAllProperties();
        _warningSystemMock.Setup(o => o.ShowDialog(It.IsAny<WarningWindowKind>(), It.IsAny<bool>(), It.IsAny<string>())).Returns(true);

        //TODO:: temp measure
        ServiceProviderFactory.Init(_ => { });
    }

    [Fact]
    public void Constructor_ReceivesLogoutMessage_ShowPlaceHolder()
    {
        //arrange
        _dataBlockLoader.PlaceholderVisible = false;

        //act
        WeakReferenceMessenger.Default.Send(new LogoutMessage());

        //assert
        Assert.True(_dataBlockLoader.PlaceholderVisible);
    }

    [Theory, MemberData(nameof(SharedDataTestInput))]
    public void SaveSharedData_SaveAndGetData_ReturnsData(string key, object data)
    {
        //act
        _dataBlockLoader.SaveSharedData(key, data);
        object getResult = _dataBlockLoader.GetSharedData<object>(key);

        //assert
        Assert.Equal(data, getResult);
    }

    [Fact]
    public void SaveSharedData_SaveDuplicateData_OverrideData()
    {
        //act
        const string key = "DuplicateKey";
        object correctValue = "override";
        _dataBlockLoader.SaveSharedData(key, 0);
        _dataBlockLoader.SaveSharedData(key, correctValue);
        object getResult = _dataBlockLoader.GetSharedData<object>(key);

        //assert
        Assert.Equal(correctValue, getResult);
    }

    [Fact]
    public void GetSharedData_KeyDoesNotExists_ThrowsException()
    {
        //assert
        Assert.Throws<KeyNotFoundException>(GetData);
        return;

        void GetData() => _dataBlockLoader.GetSharedData<object>("KeyThatDoesNotExists");
    }

    [Fact]
    public void GetSharedData_TypeMismatch_ThrowsException()
    {
        //act
        const string key = "TypeMismatchKey";
        _dataBlockLoader.SaveSharedData(key, float.E);

        //assert
        Assert.Throws<KeyNotFoundException>(GetData);
        return;

        void GetData() => _dataBlockLoader.GetSharedData<double>(key);
    }

    [Fact]
    public void SharedDataContainsKey_ContainsKey_ReturnsTrue()
    {
        //arrange
        const string key = "KeyThatExists";
        _dataBlockLoader.SaveSharedData(key, "Some Value");

        //act
        bool result = _dataBlockLoader.SharedDataContainsKey(key);

        //assert
        Assert.True(result);
    }

    [Fact]
    public void SharedDataContainsKey_DoesNotContainsKey_ReturnsFalse()
    {
        //act
        const string key = "KeyThatDoesNotExists";
        bool result = _dataBlockLoader.SharedDataContainsKey(key);

        //assert
        Assert.False(result);
    }

    [Fact]
    public async Task LoadData_EmptyData_ShowsError()
    {
        //arrange
        DataBlock dataBlock = new(string.Empty);

        //act
        await _dataBlockLoader.LoadData(dataBlock);

        //assert
        _warningSystemMock.Verify(o => o.ShowDialog(It.IsAny<WarningWindowKind>(), It.IsAny<bool>(),
            It.Is<string>(s => s.Equals("InvalidDataError"))), Times.Once);
        Assert.False(_serverHandlerMock.Object.Processing);
        Assert.Null(_dataBlockLoader.CurrentDisplayingDataBlock);
        Assert.True(_dataBlockLoader.PlaceholderVisible);
    }
}